Waterlevel Alarm (sub-option from above menu)
LARM sounds when
Threshold is reached
Press.
2. Waterlevel
a. Liquid (cm)
b. Alarm system
Press
UPorDN
Alarm System
Enter your Threshold
5.50 cm
ENTER for Activation
4.00 cm
ALARM
5.50
‘b’
ENT
ENT
Press UP and DN to set the
Alarm Threshold in increments
of 0.25cm.
Press ENT to activate the
Alarm.
Alarm is now Active. Note the outputs of the current Pressure in
cm, and the Alarm Threshold point. Once crossed, the red LED will
flash as the buzzer sounds. Try activating by moving the tube up
and down in a column of water.
Temperature Sensor
1. Alti/Baro
2. Waterlevel
3. Inertial
Press
UPorDN
Additional
a. Weather
b. Weather Advanced
Press
UPorDN
Temperature
External Temp Sensor
1487 ADC
031 Deg C
087 Deg F
4. Additional
‘4’
c. Temp Sensor
‘c’
ENT
ENT
Value of the External Temperature sensor is displayed on the
screen in °C and °F
Inertial Sensor
1. Alti/Baro
2. Waterlevel
3. Inertial
Press
UPorDN
3. Inertial
MMA7361L 3 Axis
Accelerometer 1.5g
TRaw Values of Accel
Tilt Angle
X axis
Y axis
X axis
Y axis
Z axis
1594
1663
2388
-2deg
-4deg
90deg
Press ENTER
Z axis
4. Additional
‘3’
ENT
ENT
ENT
ENT
ADC values of the MMA7361L
are displayed on the screen.
Press Enter to proceed to the
next screen
ADC values are converted and
displayed on the screen as an
angle for X, Y and Z axis.
Press Enter to continue to
Free Fall Detection.
Free Fall detect
Drop carefully in Linear
Free Fall only.
FF detected!!
Drop board in linear manner to
hear buzzer detecting Free
Fall condition, and Red LED
will blink with buzzer. Exit Free
Fall and Inertial by pressing
ESC.
AN3956
Sensors
Freescale Semiconductor
8
FREESCALE [ Freescale ]
